Note 5 - Goodwill and Other Intangible Assets (Details Textual) - USD ($)	12 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Mar. 16, 2020	Jan. 29, 2020	[1]
Finite-Lived Intangible Assets, Amortization Expense, Next Rolling Twelve Months	$ 22,617,000
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Two	20,451,000
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Three	19,654,000
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Four	17,920,000
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Five	$ 12,897,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)	10 years 6 months
Goodwill, Acquired During Period	$ 78,136,000	$ 4,133,000
Business Acquisition, Goodwill, Expected Tax Deductible Amount	41,734,000
BHMG [Member] | Advertiser Relationships [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	27,960,000		$ 27,960,000	$ 38,780,000
BHMG [Member] | Subscriber Relationships [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	28,200,000		28,200,000	36,060,000
BHMG [Member] | Commercial Print Relationships [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 19,580,000		19,580,000	$ 17,130,000
BHMG [Member] | Mastheads [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets			$ 20,390,000

[1] As previously reported in the Company's Quarterly Report on Form 10-Q for the period ended March 29, 2020.